ESKUTE YL81F Star Electric Folding Bike User Manual

ESKUTE YL81F Star Electric Folding Bike

Product Information

Specifications

• Product Name: Smart LCD Display for Electric Bicycle
• Model Number: YL81F
• Power Supply: 24V/36V/48V
• Display Rated Current: 15mA
• Display Maximum Current: 30mA
• Shutdown Leakage Current: [specification not provided]

Appearance and Size
The Smart LCD display for electric bicycle, model YL81F, has a sleek and compact design. It features a clear LCD screen with easy-to-read information. The dimensions of the display are not specified in the manual.

Function Overview and Functional Areas
The Smart LCD display for electric bicycles provides various functions to enhance your riding experience. It offers the following functional areas:

• Main Display Area: Shows essential information such as speed, distance, battery level, and assist level.
• Assist Level Buttons: This allows you to adjust the level of assistance provided by the electric motor.
• Settings Menu Button: Accesses personalized parameter settings and shortcut operations.
• Power Button: Turns the display on/off.

Routine Operation
To use the Smart LCD display for electric bicycles:

1. Make sure the display is securely mounted on your electric bike’s handlebar.
2. Connect the display to the power supply of your electric bike (24V/36V/48V).
3. Press the power button to turn on the display.
4. The main display area will show the current speed, distance, battery level, and assist level.
5. Use the assist level buttons to adjust the level of assistance provided by the electric motor. Higher levels offer more assistance.
6. Monitor the information displayed to have a better understanding of your riding performance and battery status.
7. Press the power button again to turn off the display when not in use.

Personalized Parameter Settings
The Smart LCD display for electric bicycles allows you to customize certain parameters according to your preferences. To access personalized parameter settings:

1. Ensure the display is turned on.
2. Press and hold the settings menu button for a few seconds.
3. The settings menu will appear on the screen.
4. Use the assist level buttons to navigate through the menu options.
5. Press the settings menu button to select an option.
6. Adjust the parameter value using the assist level buttons.
7. Confirm the setting by pressing the settings menu button again.
8. Repeat the steps to customize other parameters if desired.
9. Exit the settings menu by pressing and holding the settings menu button again.

Shortcut Operation
The Smart LCD display for electric bicycles provides shortcut operations for quick access to commonly used functions. To use shortcut operations:

1. Ensure the display is turned on.
2. Press the settings menu button twice in rapid succession.
3. Your selected shortcut function will be activated.

Quality Assurance and Warranty
For information regarding quality assurance and warranty, please refer to the warranty information provided in the user manual.

Wire Connection Diagram
The user manual does not include a wire connection diagram. Please consult the manufacturer’s documentation or contact their customer support for assistance.

Precautions
Before using the Smart LCD display for electric bicycle, please take note of the following precautions:

• Ensure proper installation and secure mounting of the display on your electric bike.
• Follow the manufacturer’s instructions for connecting the display to the power supply.
• Avoid exposing the display to extreme temperatures or water.
• Do not disassemble or modify the display as it may void the warranty.
• Keep the display clean and free from dirt or debris.

Frequently Asked Questions (FAQ)

1. Q: What is the maximum current consumption of the Smart LCD display?
   A: The maximum current consumption of the display is 30mA.

2. Q: Can I use this display with any electric bike?
   A: The Smart LCD display is designed for electric bicycles, but compatibility may vary. Please check with the manufacturer or consult your electric bike’s documentation to ensure compatibility.

3. Q: How do I reset the personalized parameter settings?
   A: To reset personalized parameter settings, access the settings menu and look for a “Reset” or “Factory Reset” option. Select it and confirm the reset to restore default settings.

Product Name and Model Number

• Smart LCD display for electric bicycle
• Model: YL81F.

Specification

• 24V/36V/48V power supply
• Display rated current 15mA
• Display maximum current 30mA
• Shutdown leakage current <1uA
• Supplied current to the controller 50mA
• Operating temperature -20～60℃
• Storage temperature -30 to 70°C

Appearance and Size

Function Overview and Functional Areas

Functional Overview
The YL81F display offers a variety of features to suit your riding needs, including:

• Battery level indicator
• Pedal assist (PAS) level indicator
• Speed (current speed, maximum speed, average speed)
• Mileage display (single and total mileage)
• Walk boost mode
• Light ON/OFF
• Error code indicator
• Motor power indicator (optional)
• USB connection indicator (optional)
• Cruise control indicator (optional)
• Bluetooth connection indicator (optional)
• Personalized parameter settings (e.g. wheel diameter, speed limit, rated voltage, PAS parameter, password, and controller current limit setting, etc.).
• Factory default parameter recovery function

Functional areas

Button definitions

The YL81F display is equipped with five buttons on the corresponding operating unit: power on/off , plus , minus , light and toggle .

Routine Operation

Power on/off
Long press to power on/off the display. When the display is off, it will not use the battery power and the leakage current is less than 1uA.

The display will automatically shut off if it is not used for more than 10 minutes.

Display interface switching
When the display is powered on, it will show the Current Speed (km/h) and Trip Odometer (km) by default. Short Press to switch between Trip Odometer(km), Odometer (km), Maximum Speed (km/h), and Average Speed (km/h).

Walk boost mode
Long Press and hold , the electric bicycle enters the walk boost mode. The electric bicycle will walk at a fixed speed of 6 km/h and the display shows . Release to stop the power output immediately and restore to the state before the walk boost.

The walk boost mode can only be used when pushing the electric bicycle, please do not use it while riding.

Turning on/off lights
Press the to make the controller turn on the lights and the display backlight becomes dim. Press again to make the controller turns off the lights and the backlight restores brightness.

PAS level selection
Press / to switch the PAS level of the electric bicycle, thus changing the motor output power.

Battery level display
The Battery level is shown as 5 bars. When the battery is full charged, all of the 5 bars lighten up. When the battery is fully depleted, the bar will begin to flash, warning the user to charge the battery as soon as possible.

Error code display
If there is a fault occurs in the electronic system of the electric bicycle, the display will automatically show an error code, see Schedule 1 for a detailed definition of the error code.

When the error code appears on the display, please troubleshoot the problem in time, the electric bicycle will not be able to drive normally after the problem occurs.

Personalized Parameter Settings

Each setting needs to be done with the bicycle stationary.

The personalized parameter setting procedure is as follows:
When the display is ON and the speed shows 0,

1. Press and hold simultaneously for more than 2 seconds to enter the personalized parameter setting interface.
2. Press / to toggle between the personalized parameter setting interface, and press to enter the parameter changing state.
3. Press / to select the parameter, long press for an addition operation, and long press for a subtraction operation.
4. Press to save the parameter settings and return to the personalized parameter setting interface.
5. Long Press to save the parameter settings and exit the personalized parameter setting interface.

The following options are available on the personalized parameter setting interface:

Metric and Imperial setting
01P is the metric and imperial setting, 00 for metric, and 01 for imperial.

Press to enter the parameter-changing state. Press the / to select the parameter press to save the parameter setting and return to the personalized parameter setting interface.

Rated voltage setting
02P is the rated voltage setting. The available rated voltage range is: 24V, 36V, 48V.

Press to enter the parameter-changing state. Press the / to select the parameter press to save the parameter setting and return to the personalized parameter setting interface.

PAS level setting
03P is the Pedal assist level setting. The available PAS level settings are 0~3, 1~3, 0~5, 1~5, 1~7, 0~7, 0~9, 1~9.

Press to enter the parameter-changing state. Press the / to select the parameter press to save the parameter setting and return to the personalized parameter setting interface.

PAS level ratio value setting

• To meet different requirements for users, the speed of every level can be adjusted by setting the PAS level ratio value.
• Please see the details from Schedule 2.
• For example, “45-55%” is the ratio range of PAS 1. The default ratio value of PAS 1 is 50% which is adjustable.
• Press the / to select the parameter press to save the parameter and enter into the next level setting.
• Press again to save the settings and return to the personalized parameter setting interface.

Wheel diameter setting
04P is the wheel diameter setting. The adjustable wheel diameter range is 8~50 inches.

Press to enter the parameter-changing state. Press the / to select the parameter press to save the parameter setting and return to the personalized parameter setting interface.

Number of speed sensor magnets setting
05P is the speed sensor magnet number setting. The adjustable speed sensor magnet number range is: 1 ~ 15 pcs （5S protocol）,1 ~ 63 pcs （KDS protocol).

Press to enter the parameter-changing state. Press the / to select the parameter and press to save the parameter setting and return to the personalized parameter setting interface.

Speed Limit Setting
06P is the speed limit setting. The adjustable speed limit range is 1~60km/h or 1~41km/h. (The maximum adjustable speed limit varies by different protocols).

Press to enter the parameter-changing state. Press the / to select the parameter press to save the parameter setting and return to the personalized parameter setting interface.

Controller Current Limit Setting
07P is the controller’s current limit setting. The adjustable range is 1~31.5A.

Press to enter the parameter-changing state. Press the / to select the parameter press to save the parameter setting and return to the personalized parameter setting interface.

PAS sensor setting
08P is the PAS sensor setting.

PAS sensor direction setting
The run is the PAS sensor direction setting. run-F is the front direction and run-b is the opposite direction.

Press to enter the parameter-changing state. Press the / to select the parameter and press to save the parameter setting and enter into the 6.8.2 PAS sensor sensitivity setting interface.

PAS sensor sensitivity setting

• SCN is the PAS sensor sensitivity setting. The adjustable range is: 2-9. 2 is the highest level sensitivity while 9 is the lowest.
• Press the / to select the parameter and press to save the parameter setting and enter into the 6.8.3 PAS magnets number setting interface.

Number of pedal assist sensor magnets setting

• PAS is the pedal assist sensor magnet set. The adjustable range is 5-31.
• Press the / to select the parameter press to save the parameter setting and return to the personalized parameter setting interface.

Throttle setting
09P is the throttle setting.

Throttle 6KM/H walk boost setting
HL is the throttle 6KM/H walk boost setting. HL-Y is to enable the walk boost and the speed will be maintained at 6KM/H when using the throttle. HL-Y is to disable the walk boost and it can reach the max speed when using throttle.

• Press the / to select the HL-Y press to save the parameter setting and return to the personalized parameter setting interface.
• Press the / to select the HL-N and press to save the parameter setting and enter into the 6.9.2 Throttle Level setting interface or long press to return to the personalized parameter setting interface.

Throttle level setting

• HF is the throttle Level setting. HF-Y is to enable the throttle level. When using the throttle, the max speed depends on the throttle level. (0~3, 1~3, 0~5, 1~5, 1~7, 0~7, 0~9, 1~9) HF-N is to disable the throttle level. The speed is independent of the throttle level and can reach the rated max speed.
• Press the / to select the parameter press to save the parameter setting and return to the personalized parameter setting interface.

Power-on password setting
10P is the power-on password setting. The power-on password is not activated by default but users can activate it from setting PSd-y. The factory default password is 1212. Users can set another four-digit password. Please keep the password in mind after changing it, otherwise, you will not be able to use the display.

• Press to enter the parameter-changing state. Press the / to select the parameter. PSd-y means the power-on password is activated while PSd-n is off. Press to confirm the mode and enter the state of setting the four-digit power-on password or exit to the personalized parameter setting interface.
  Remember your password after changing it, or you will not be able to use the meter!

• In the password setting mode, the adjustable digit will flash. Press the / to select the parameter press to save the numbers and go to the next digit setting. Long press to save the parameter setting and return to the personalized parameter setting interface after finish setting the four digits in turn.

Auto Sleep Time Setting
11P is the auto sleep time setting. To save the battery power and reach a higher range, this display will be turned off after it has not been used for a long time. The adjustable range is: 1~60min, 00 means no auto shutdown. The factory default setting is 10 minutes.

• Press to enter the parameter-changing state. Press the / to select the parameter press to save the parameter setting and return to the personalized parameter setting interface.

Shortcut Operation

Restore factory settings operation
dEF is the restore factory default parameter settings. dEF-Y is to restore default settings, and dEF-N is not to restore. Enter into the main setting interface and keep the speed at 0, press and hold , and simultaneously for 2s to enter the restore factory default setting interface. Pressing / to toggle to dEF-Y. Then after pressing to confirm, the display will show dEF-0 for a few seconds and then automatically start to restore the factory default settings. The display will automatically exit to setting interface after the restoration.

Trip odometer reset operation

• The display can record trip odometer and odometer. The trip odometer is not automatically reset after turning it off. The trip The odometer needs to be reset manually.
• Enter into the main setting interface and keep the speed at 0, press and hold and simultaneously for 2s to reset the trip odometer. The main interface will flash during the reset process.

Quality Assurance and Warranty

Warranty info

• Yolin will offer a limited warranty for any failure caused by product defects under normal use during the warranty period.
• The product is warranted for 12 months from the date out of the factory.

The warranty does not cover

• The shell is opened.
• The connector is damaged.
• Scratches on the appearance after the product is out of the factory.
• Scratched or broken wires
• Failure or damage caused by force majeure (e.g. fire, earthquake, etc.) or natural disaster (e.g. lightning strike, etc.)
• Out of warranty period.

Wire Connection Diagram

Standard wire connection sequence:

Table 9-1 Standard connector wire sequence table

Some models are equipped with waterproof connectors and the color inside wires can not be seen.

Precautions

Pay attention to all the general operating when using the products and do not plug and unplug the display while it is powered on.

• Avoid bumping the display as much as possible.
• Please do not change the parameter settings at will, otherwise, normal riding cannot be guaranteed.
• If the display does not work properly, please send it to the repair center as soon as possible.
• There may be differences between the physical products and this manual due to normal upgrades. Please refer to the physical products.

Schedule 1: Error Code Definition

YL-01, YL-02 Error codes

Error code| Definition|  | Error code| Definition
E001| Controller failure| E004| Throttle failure
E002| Communication failure| E005| Brake failure
E003| Hall failure| E006| Motor phase failure
YL-05, KDS, YL-J Error codes
Error code| Definition|  | Error code| Definition
E021| Current failure|  | E024| Hall failure
E022| Throttle failure|  | E025| Brake failure
E023| Motor phase failure|  | E030| Communication failure

Schedule 2: Pedal Assist Level Default Ratio Value

Level Level selection| ****

1

| ****

2

| ****

3

| ****

4

| ****

5

| ****

6

| ****

7

| ****

8

| ****

9

---|---|---|---|---|---|---|---|---|---
0-3/1-3| 50%| 74%| 92%| –| –| –| –| –| –
0-5/ 1-5| 50%| 61%| 73%| 85%| 96%| –| –| –| –
0-7/ 1-7| 40%| 50%| 60%| 70%| 80%| 90%| 96%| –| –
0-9/ 1-9| 25%| 34%| 43%| 52%| 61%| 70%| 79%| 88%| 96%

• Website: www.eskute.com.
• Email: support@eskute.com.

References

• ESKUTE E-Bikes | The Freedom To Explore Anywhere

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